@misc{Sylvester_James_Joseph_(1814–1897)_On_1912, author={Sylvester, James Joseph (1814–1897)}, copyright={Public Domain}, address={Cambridge}, howpublished={online}, year={1912}, publisher={Cambridge University Press}, language={eng}, type={Text}, title={On a funicular solution of Buffon's "problem of the needle" in its most general form}, URL={http://www.rcin.org.pl/Content/122689/PDF/WA35_145328_11371-4_Art69.pdf}, }